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- W2275841288 abstract "In this work, we reformulate the forward modelling of the redshift-space power spectrum multipole moments for a masked density field, as encountered in galaxy redshift surveys. Exploiting the symmetries of the redshift-space correlation function, we provide a masked-field generalization of the Hankel transform relation between the multipole moments in real and Fourier space. Using this result, we detail how a likelihood analysis requiring computation for a broad range of desired P(k) models may be executed 103–104 times faster than with other common approaches, together with significant gains in spectral resolution. We present a concrete application to the complex angular geometry of the VIMOS Public Extragalactic Redshift Survey PDR-1 release and discuss the validity of this technique for finite-angle surveys." @default.
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- W2275841288 date "2016-10-08" @default.
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- W2275841288 title "Rapid modelling of the redshift-space power spectrum multipoles for a masked density field" @default.
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- W2275841288 doi "https://doi.org/10.1093/mnras/stw2576" @default.
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